/Engine/Source/Runtime/Engine/Classes/Engine/SkeletalMesh.h
Returns the mesh only socket list - this ignores any sockets in the skeleton Return value is a non-const reference so the socket list can be changed
[TArray](API\Runtime\Core\Containers\TArray)< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [USkeletalMeshSocket](API\Runtime\Engine\Engine\USkeletalMeshSocket) > > & GetMeshOnlySocketList()